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International Journal of Applied Agricultural & Horticultural Sciences
  • 29 April, 2024
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DOI Prefix : 10.37322
P-ISSN : 0974-0775
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Vol. 9 (6) : November-December 2018 issue
Green Farming Vol. 9 (6) : 949-953 ; November-December, 2018
Screening of recombinant inbred lines (RILs) of rice (Oryza sativa L.) for zinc deficiency tolerance in field condition and in modified Yoshida nutrient solution
E. SIVA SANKAR REDDY1*,  S.B. VERULKAR2  and  R.R. SAXENA3
Department of Genetics and Plant Breeding, College of Agriculture, Indira Gandhi Krishi Vishwavidyalaya, Raipur - 492 006 (Chhattisgarh)
Designation :  
1Research Scholar *(ssreddy111@gmail.com),  2Professor,  3Assistant Professor
Subject : Crop Genetics and Plant Breeding
Paper No. : P-7468
Total Pages : 5
Received : 29 September 2018
Revised accepted : 30 October 2018
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Citation :

E. SIVA SANKAR REDDY, S.B. VERULKAR and R.R. SAXENA. 2018. Screening of recombinant inbred lines (RILs) of rice (Oryza sativa L.) for zinc deficiency tolerance in field condition and in modified Yoshida nutrient solution. Green Farming  Vol. 9 (6) : 949-953 ; November-December, 2018

ABSTRACT
Rice (Oryza sativa L.) is the prime staple food in many countries of the world. Zinc deficiency is the major micronutrient problem in rice and it leads to “Khaira” disease. Present investigation was taken to screen and understand the response of recombinant inbred lines in field condition and nutrient solution for zinc deficiency tolerance which may helpful to standardize screening protocols for zinc deficiency tolerance in rice. Phenotypic data generated under rainfed zinc deficiency field condition at research-cum instructional farm of COA, IGKV, Raipur using 271 recombinant inbred lines(RILs) derived from cross between two indica genotypes, Danteshwari and Dagad Deshi during wet season 2011 and finally extreme tolerant and susceptible lines were selected to screen in nutrient solution. Reaction of extreme susceptible and tolerant lines under field condition did not matched with the screened result of same lines grown in modified Yoshida nutrient solution without zinc nutrient under controlled glass house. This may be due to difference in establishment of rhizosphere in field condition and nutrient solution, combining of stress factors along with zinc deficiency in development of bronze leaf symptoms, difference in pH of the solution and field condition and remobilization of nutrients.
Key words :
Nutrient solution, Rice, RILs, Zinc deficiency.